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Discouraging Egg-Laying

Managing Hormones

While this article was written initially as a guide to discourage egg-laying in female birds, male birds can also experience hormonal behavior such as aggression. Most of the tips in this article can also be used to with male birds as well.

Egg Laying in Pet Birds: Background

Egg laying in pet birds can be a serious health threat. This article explains why (and what to do if) your bird starts laying eggs. Providing proper, non-incandescent lighting, a healthy diet, and adequate sleep, as well as removing nesting toys or materials are key to discouraging egg laying.

In wild birds and breeding birds, egg laying is a natural, seasonal process. However, female pet birds can also lay eggs, even without the presence of a male. Such eggs are infertile and will not hatch, even if incubated.

A bird in the peak of health on an ideal diet may be able to sustain some egg production without serious harm. However, with captive pet birds, it can also become an obsession, because the eggs do not hatch and allow the full cycle to complete, thus turning off the hormonal trigger to lay eggs.

Constant egg laying will deplete your bird of vital nutrients, and predispose her to malnutrition , osteoporosis, and life-threatening health problems, such as egg binding and yolk peritonitis. While egg laying can occur in any breed, it is most common in cockatiels, lovebirds, budgies, canaries, and finches. Egg laying can start anytime from 5 months to over 10 years of age.

If you find an egg, you want to immediately correct any environmental factors that predispose your bird to lay eggs. If that does not work, your bird may require medical treatment to control egg laying, so you’ll want to get her to a qualified Avian vet. There are several safe, effective hormonal treatments available, which your Avian vet can tailor to your bird's needs.

How to Discourage Egg Laying

Many factors can predispose birds to lay eggs. Following are ways to discourage egg-laying.

NOTE: Weigh your bird daily if you are monitoring egg laying. Once you evaluate what her ideal weight should be (see a vet if necessary), be sure that, although you carefully regulate her food, that she is not losing weight. Many birds are overweight. An avian vet can tell from an examination what her idea weight should be. And, monitor her droppings daily!

Diet

Diet should consist of foods that are not warm or soft, or high in calories and fat.
The reason diet should not include warm and soft food is because that kind of food simulates the regurgitated food that mates feed to each other, and to their babies. If food is plentiful (lots of calories), that signals that it's spring and time to make babies (because food is plentiful).
So, in order to minimize hormonal feelings, diets should consist of a large proportion of vegetables and leafy greens, supplemented by high-quality pellets (preferably organic) to ensure proper nutrients. You can supplement this with some grains, like buckwheat, rye, amaranth, quinoa, millet (except wheat, white rice, and corn). Grains should be boiled for a few minutes and left to sit and soak up the water. They will still be a little crunchy and cooled when served (thus, not soft or warm). For more information, see our "Veggie and Grain Mix Recipe."

Berries like blueberry and acai berry can be used as treats. Seeds and nuts should be given very sparingly and only as treats. Avoid sweet fruits like apple and grapes.

Foraging

Food should not appear to be plentiful and should take effort to find.
When food is plentiful, it triggers your bird to start thinking about making babies. To minimize this, introduce your bird to foraging. Refer to our “Foraging for Health and Fun” article for tips on foraging. Use lots of bowls (at least 5 per bird) and if you cover them, have one that actually has no food in it, only toys, wooden beads, and materials.

Feeding Method

Food should “run out” occasionally, not always be available.
Following the same views in the previous sections, food should not appear to be too plentiful. So, cut back on your bird's foraging so that the bowls are empty of food by the time you get home for dinner. You can do this by either giving her less foraging or increasing the amount of shells and inert material in the mix. Ideally the edible food in her foraging should last until a few hours before you get home, so that she is without food for a couple of hours. Remove the bowls when you come home and feed her dinner outside of her cage.

Vegetable skewers can last the entire day. Vegetables are high nutrition, but relatively low calorie. You can chop the vegetables left on the skewer, if they are still fresh enough and/or use other vegetables to make a mix of chopped veggies for dinner. Sprinkle with pellets or driedgreens. Feed outside of cage or, if you feed inside the cage, remove all food before bed. Remove all food, including foraging bowls and skewers, from cage when she goes to bed.

Ensure that your bird is getting enough food; just make him or her have to work for it. WEIGH DAILY.

Limit Petting

Do not touch your bird below the neck!!!
Don’t send your bird mixed signals when you pet her. Touching your bird's underside and lower back or abdomen can trigger a hormonal response, as your bird thinks you are offering yourself as a mate. In nature, birds only touch each other below the neck when they are courting and getting ready to repLimit petting to gently scratching the head, neck, and upper body area.

Toys

Toys should not have any relation to nesting materials.
Use only toys made of metal, plastic, hard wood. Avoid things that are soft or that feel like nesting materials. Do not use palm shredders or raffia or fabric--and no birdie buddies.

Cage

Create an environment that is not nesty or dark.
Remove anything that can be viewed as a nest box or nesting material. Put papers under the cage grid, to avoid access to paper, bedding, or potential nesting material. Remove access to dark enclosed spaces. Distract her by moving or remodeling her cage when she starts to act "nesty."

Cagemate

If your bird has a cagemate, consider separate cages.
Allow friend birds to play together outside their cages while you are home. But consider a separate day cage. You can try letting them sleep together but be separate during the day. If necessary, have separate cages for sleep too. Remove all “birdie buddies” from the cages.

Lighting

Control lighting so that she does not think it’s breeding season.
Incandescent lighting encourages egg-laying because it indicates summer and breeding time. Basically, it is too red. You should switch to lighting that has a 5000K to 5700K (K means Kelvin) temperature. The temperature indicates how much red is in the light. LED bulbs are easier than Incandescents find in the correct Kelvin range. You can buy LED lights with 5000 Kelvin or up to 5700 Kelvin temperatures. You can also arrange her environment to simulate shorter days. Put full-spectrum lighting on a timer to go on for only about 10 hours in the middle of the day.

For more on proper, full-spectrum lighting, see also our article on “Proper Avian Lighting.” And, NEVER use the "Avian Sun" bulbs. They contain a level of UV-B that is dangerously high.

Sleep

Provide more quiet sleep time.
Provide at least 12 hours of sleep. If she is still tending to lay eggs, try 13. Use a cage cover, proper lighting during the day (so that she fully wakes and is tired at bedtime), and play nature night sounds to encourage sound sleep (nature music Cds, such as Tropical Night are great).

How to Deal with the Eggs

Find out if your bird is a deterministic egg layer.
Following are some suggestions, however, if your bird lays an egg, you should consult your avian vet to find out whether your bird (species) is a deterministic layer or not. Identifying which type your bird is will probably determine how you want to handle the situation.

If she has already laid one or more eggs, allow her to lay a full clutch of 3-5 eggs and sit on them for 3 weeks or until she abandons them. This usually reduces the total number laid in a give time period. Removing the egg immediately will stimulate her to lay another within a few days.

If your bird lays eggs, place them in an open container, such as a small cardboard box within her cage. Line the box with pine shavings to prevent the eggs from breaking. Do not give her a nest box, as this will encourage her to continue laying eggs. Do not remove the eggs right away, as she will simply lay more to replace them. Instead, wait until she has stopped sitting on the eggs, then remove both the eggs and the container.

What to do about fertilized eggs.
The only way to identify fertilized birds' eggs is by their origin. If they were laid by a female bird who is kept with a male, or who has been with a male immediately before the eggs were laid, then you should assume they are fertile.

You can put the newly laid egg in the freezer for at least 24 hours (some say longer) and then return the egg to the female if the egg did not break from freezing. You should probably mark it with a color marker to keep track of it. Alternatively, you can buy fake (plastic) birds' eggs of an appropriate size and substitute the fake eggs for each newly laid egg. You can buy the fake eggs online, including here: http://theeggshop.com/